I think it’s the third option
Answer:

Step-by-step explanation:
Given
-- two rectangles
Required
Determine the perimeter of one of the rectangles
First, calculate the area (A) of 1 rectangle



Express as difference of two squares

Area is calculated as:

So, by comparison:


The perimeter is:


Collect Like Terms



Answer:
2
Step-by-step explanation:
2x2=4
An algebraic expression for this would be c(t)=0.25t+0.75.
c(t) = total cost
t = number of minutes
Please mark this answer as the Brainliest! Thank you :)
Answer:
x = - 8
Step-by-step explanation:
4x - 9 + 3x = 8x - 1
7x - 9 = 8x - 1
7x - 8x - 9 = 8x - 8x - 1
- x - 9 = - 1
- x - 9 + 9 = - 1 + 9
- x = 8
- x ÷ - 1 = 8 ÷ - 1
x = - 8